diff --git a/pyproject.toml b/pyproject.toml
index 48c8aa3..f29f798 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ dev = [
     "pytest-xdist~=3.0",
     "hypothesis~=6.0",
     "coverage[toml]~=7.0",
-    "black>=24.10,<27.0",
+    "black>=26.3.1,<27.0",
     "isort>=5.13,<9.0",
     "ruff>=0.6.9,<1.0",
     "mypy~=1.11",